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2007 Jul 07
2
How to calculate the index "the number of species combinations"?
...s present at a particular site, and a "0" indicates that a species is absent from a particular site): Species Cuba Hispaniola Jamaica Puerto_Rico Guadeloupe Martinique Dominica St._Lucia Barbados St._Vincent Grenada Antigua St._Croix Grand_Cayman St._Kitts Barbuda Montserrat St._Martin St._Thomas Carduelis_dominicensis 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Loxia_leucoptera 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Volatinia_jacarina 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 Sporophila_nigricollis 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 Melopyrrha_nigra 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 Loxigilla_...